Builder Gary Striegler shows off his favorite new secret-door hinges. The hardware can support a full-size bookcase, and it can be set for inswing or outswing to work with any project you can dream up.

Everyone loves a house with hidden door or secret rooms, but these are tricky details to pull off successfully. Here are a few of my recent projects with hidden doors and my favorite hardware to accomplish these works of craftsmanship.